WWI Sentry Post at the Lower Upnor Ordnance Depot

DESCRIPTION: Reinforced concrete sentry post located on high ground in the south-western part of the site and therefore overlooking the Lower Upnor Ordnance Depot and the River Medway. A concrete polygonal (11-sided) structure approximately 2.5m high with a shallow domed roof. S single, small but heavy concrete hatch-doorway with steel-hinges. Vegetation growth precluded easy access but other examples of this type have observation apertures on alternate sides. The visible aperture above the doorway has a deep reveal and very small observation slit.

Walls are approximately 30cm (1 foot) thick. Those of similar sentry posts at Chattenden/Lodge Hill, and presumably therefore here, are built in circa 2 feet (60cm) sections; the roof constructed using a corrugated former. The sentry post would have functioned as a point of refuge under fire rather than being permanently occupied and the narrowness of the apertures indicates that it would have been used for observation rather than small arms firing.